ZIP Code 18660

18660 is one of Pennsylvania's ZIP codes, delivering to addresses in Wapwallopen, Luzerne County.

City: Wapwallopen
County: Luzerne County
State: Pennsylvania
Prefix: 186xx

Where this code sits

18660 is part of the 186xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Wapwallopen.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 18660 delivers to without sharing its boundary.

ZIP codes nearest 18660

The ZIP codes whose reference points sit closest to 18660.
ZIP code	Distance	Delivers to
ZIP code 18251	4.6 mi	Sybertsville, PA
ZIP code 18601	4.7 mi	Beach Haven, PA
ZIP code 18249	5.0 mi	Sugarloaf, PA
ZIP code 18247	5.0 mi	Saint Johns, PA
ZIP code 18219	5.6 mi	Conyngham, PA
ZIP code 18655	5.9 mi	Shickshinny, PA
ZIP code 18635	6.0 mi	Nescopeck, PA
ZIP code 18222	6.4 mi	Drums, PA

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 18660, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 18660. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.